Home / 165,696.27-228,660.84-90,244.77

Finding the Fourth Proportional to 165,696.27, 228,660.84 and 90,244.77

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Solution

The fourth proportional to 165,696.27, 228,660.84 and 90,244.77 is: 124,537.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    165,696.27 : 228,660.84 = 90,244.77 : x
  2. Step 2: Convert to fraction form
    165,696.27/228,660.84 = 90,244.77/x
  3. Step 3: Cross multiply
    165,696.27x = 228,660.84 × 90,244.77
  4. Step 4: Simplify right side
    165,696.27x = 20,635,444,913.81
  5. Step 5: Solve for x
    x = 20,635,444,913.81/165,696.27
  6. Step 6: Final answer
    x = 124,537.78

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.